#include "stdafx.h"
#pragma hdrstop

#ifdef DEBUG

static HANDLE hLocalSlot	= INVALID_HANDLE_VALUE;

extern	void msParse(LPCSTR cmd);

void msCreate		(LPCSTR name)
{
	string256		fn;
	sprintf_s		(fn,sizeof(fn),"\\\\.\\mailslot\\%s",name);
    hLocalSlot = CreateMailslot(
		fn,
        0,                             // no maximum message size
        MAILSLOT_WAIT_FOREVER,         // no time-out for operations
        (LPSECURITY_ATTRIBUTES) NULL); // no security attributes
    if (hLocalSlot == INVALID_HANDLE_VALUE) return;
	// Msg				("* mailSLOT successfully created.");
}

void msRead			(void) 
{
    DWORD	cbMessage, cMessage, cbRead;
	BOOL	fResult;
	LPSTR	lpszBuffer; 

    cbMessage = cMessage = cbRead = 0;
    fResult = GetMailslotInfo(hLocalSlot,	// mailslot handle
        (LPDWORD) NULL,						// no maximum message size
        &cbMessage,							// size of next message
        &cMessage,							// number of messages
        (LPDWORD) NULL);					// no read time-out
	if (!fResult) return;
	if (cbMessage == MAILSLOT_NO_MESSAGE) return;
    while (cMessage != 0)  // retrieve all messages    
	{ 
		// Allocate memory for the message.  
		lpszBuffer = (LPSTR) GlobalAlloc(GPTR, cbMessage);          
		lpszBuffer[0] = '\0'; 
		fResult = ReadFile	(hLocalSlot, lpszBuffer, cbMessage, &cbRead, (LPOVERLAPPED) NULL);  
		if (!fResult) {
			GlobalFree((HGLOBAL) lpszBuffer);
			return;
		}
		msParse		(lpszBuffer);
		GlobalFree((HGLOBAL) lpszBuffer);
		fResult = GetMailslotInfo(hLocalSlot,	// mailslot handle 
			(LPDWORD) NULL,							// no maximum message size 
			&cbMessage,								// size of next message 
			&cMessage,								// number of messages 
			(LPDWORD) NULL);						// no read time-out  
		if (!fResult) return;
    }
}

void	msWrite(char *name, char* dest, char *msg) 
{
	HANDLE	hFile; 
	DWORD	cbWritten;
	BOOL	fResult;
	char    cName[256];

	sprintf_s(cName,sizeof(cName),"\\\\%s\\mailslot\\%s",name,dest);
	hFile = CreateFile(
		cName, 
		GENERIC_WRITE, 
		FILE_SHARE_READ,  // required to write to a mailslot 
		(LPSECURITY_ATTRIBUTES) NULL,
		OPEN_EXISTING,
		FILE_ATTRIBUTE_NORMAL, 
		(HANDLE) NULL);  
	if (hFile == INVALID_HANDLE_VALUE) return;
	fResult = WriteFile(
		hFile, 
		msg, 
		(u32) lstrlen(msg) + 1,
		&cbWritten,     
		(LPOVERLAPPED) NULL);  
	fResult = CloseHandle(hFile);
}

#endif
